GE Washer - SM-1 Error Code

This sequence enters GE washer service mode.

Meaning

This sequence enters GE washer service mode.

The GE SM‑1 service mode sequence is used to enter diagnostic mode on GE washers. Service mode allows technicians to retrieve error codes, run component tests, and perform calibrations. The entry sequence varies slightly by model but always involves a specific button combination.

Symptoms

  • Used for diagnostics, not a fault

Causes

  • Technician‑initiated diagnostic entry
🔧

Step-by-Step Fixes

  • Press and hold Start + Deep Fill (or equivalent) for 3 seconds.
  • Rotate cycle knob 1 click to advance through tests.
⚠️

Safety Notes

  • Do not run service mode with a full tub.
📋

Applicable Models

Show Models
  • GE GTW series
  • GE GFW series
📁

Related Pages

📁

Other GE Washer Error Codes

Show All Error Codes

Model-Specific Notes

Some UltraFresh models use Start + Power for entry.

Disclaimer

The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.

Copyright 2026. All rights reserved.